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Author Question: An electron is placed in a constant electric field of 4.5 104 N/C. (a) What is the force on the ... (Read 33 times)

littleanan

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on: Jul 29, 2018
An electron is placed in a constant electric field of 4.5  104 N/C.
 
  (a) What is the force on the electron?
  (b) If the electron is released from rest, what is its speed after 3.0 ps?

Question 2

Two large parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6  106 N/C.
 
  (a) What is the charge density on each plate?
  (b) If the very large charged plates are moved 2 times farther apart, what is the electric field between the plates now?


triiciiaa

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Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 7.2  10-15 N opposite the field
(b) 24. km/s

Answer to Question 2

(a)  67. C/m2
(b) 7.6  106 N/C, unchanged


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